March 2002
Intermediate to advanced
496 pages
8h 51m
English
Content preview from Design Patterns Java™ WorkbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Relational Integrity Mediators
Part of the strength of the object-oriented paradigm is that it lets you easily map connections between Java objects and objects in the real world. However, a Java object model's ability to reflect the real world has at least two fundamental deficits. First, objects in the real world vary with time, but no support for this is built into Java. For example, assignment statements obliterate any previous value instead of remembering it, as a human would. Second, in the real world, relations are as important as objects, but relations receive little support in today's object-oriented languages, including Java. For example, there is no built-in support for the fact that if Star Press 2402 is in bay 1, bay 1 must contain ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.